// Copyright 2020 The LUCI Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package model

import (
	"context"

	"go.chromium.org/luci/common/errors"
	"go.chromium.org/luci/gae/service/datastore"
)

// GetIgnoreMissing fetches the given entities from the datastore,
// ignoring datastore.ErrNoSuchEntity errors. All other errors are returned.
// For valid values of dst, see datastore.Get.
func GetIgnoreMissing(ctx context.Context, dst ...interface{}) error {
	return errors.Filter(datastore.Get(ctx, dst...), datastore.ErrNoSuchEntity)
}
